USGS Streamgage 12447200
Okanogan River at Malott, WA
Okanogan River at Malott, WA is USGS streamgage 12447200 in Washington, monitoring river discharge in hydrologic subbasin 17020006. It drains a watershed of about 8,080 square miles. Discharge records at this site go back to 1965. Typical flow runs near 3,091.6 cfs in July and 2,750.3 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Washington
- Drainage area
- 8,080 sq mi
- Gauge elevation
- 809 ft
- Subbasin (HUC-8)
- 17020006
- Coordinates
- 48.28126, -119.7045
- USGS site number
- 12447200
- Records begin
- 1965-12-18 (61 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 60 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 662.7 | 1,137.1 | 1,891.6 | |
| February | 737.8 | 1,284.1 | 2,380 | |
| March | 718.6 | 1,518.4 | 2,959 | |
| April | 1,108.7 | 2,750.3 | 5,544 | |
| May | 4,016.5 | 7,923.2 | 15,198.7 | |
| June | 3,482.7 | 8,709 | 16,293.3 | |
| July | 1,271.2 | 3,091.6 | 8,010.3 | |
| August | 501.3 | 1,107 | 3,308.1 | |
| September | 505.3 | 961.7 | 2,065.3 | |
| October | 726.3 | 1,086.7 | 1,639.7 | |
| November | 816.4 | 1,316 | 2,455.7 | |
| December | 695 | 1,147.4 | 2,161.9 |
All values in cubic feet per second (cfs).